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PDF S-8233B Data sheet ( Hoja de datos )
| Número de pieza | S-8233B | |
| Descripción | Battery Protection IC for 3-Serial Cell Pack | |
| Fabricantes | Seiko Instruments | |
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Rev.4.0_00
BATTERY PROTECTION IC
FOR 3-SERIAL-CELL PACK
S-8233B Series
The S-8233B is a series of lithium-ion rechargeable battery protection ICs
incorporating high-accuracy (±25 mV) voltage detection circuits and delay
circuits. It is suitable for a 3-serial-cell lithium-ion battery pack.
Features
(1) Internal high-accuracy voltage detection circuit
Over charge detection voltage
3.80 ± 0.025 V to 4.40 ± 0.025 V
5 mV - step
Over charge release voltage
3.45 ± 0.100 V to 4.40 ± 0.100 V
5 mV - step
(The over charge release voltage can be selected within the range where a difference from over
charge detection voltage is 0 to 0.35 V with 50 mV - step)
Over discharge detection voltage
2.00 ± 0.08 V to 2.80± 0.08 V
50 mV - step
Over discharge release voltage
2.00 ± 0.10 V to4.00± 0.10 V
50 mV - step
(The over discharge release voltage can be selected within the range where a difference from over
discharge detection voltage is 0 to 1.2 V with 50 mV - step)
Over current detection voltage 1
0.15 ±0.015 V to 0.5 ±0.05 V
50 mV - step
(2) High input-voltage device (absolute maximum rating: 26 V)
(3) Wide operating voltage range:
2 V to 24 V
(4) The delay time for every detection can be set via an external capacitor.
(5) Three over current detection levels (protection for short-circuiting)
(6) Internal charge/discharge prohibition circuit via the control terminal
(7) The function for charging batteries from 0 V is available.
(8) Low current consumption
Operation
50 µA max. (+25°C)
Power-down
0.1 µA max. (+25°C)
(9) Lead-free products
Applications
Lithium-ion rechargeable battery packs
Package
Package Name
16-PIN TSSOP
Package
FT016-A
Drawing Code
Tape
FT016-A
Reel
FT016-A
Seiko Instruments Inc.
1
1 page  
Rev.4.0_00
BATTERY PROTECTION IC FOR 3-SERIAl-CELL PACK
S-8233B Series
Electrical Characteristics
Table 4 (1 / 2)
(Ta = 25 °C unless otherwise specified)
Measure- Measure-
Item
Symbol
Condition
Min. Typ. Max. Unit ment ment
condition circuit
Detection voltage
Over charge detection voltage 1
Over charge release voltage 1
Over discharge detection voltage 1
Over discharge release voltage 1
Over charge detection voltage 2
Over charge release voltage 2
Over discharge detection voltage 2
Over discharge release voltage 2
Over charge detection voltage 3
Over charge release voltage 3
Over discharge detection voltage 3
Over discharge release voltage 3
Over current detection voltage 1*1
Over current detection voltage 2
Over current detection voltage 3
Voltage temperature factor 1*2
Voltage temperature factor 2*3
VCU1
VCD1
VDD1
VDU1
VCU2
VCD2
VDD2
VDU2
VCU3
VCD3
VDD3
VDU3
VIOV1
VIOV2
VIOV3
TCOE1
TCOE2
3.80 to 4.40 Adjustment
3.45 to 4.40 Adjustment
2.00 to 2.80 Adjustment
2.00 to 4.00 Adjustment
3.80 to 4.40 Adjustment
3.45 to 4.40 Adjustment
2.00 to 2.80 Adjustment
2.00 to 4.00 Adjustment
3.80 to 4.40 Adjustment
3.45 to 4.40 Adjustment
2.00 to 2.80 Adjustment
2.00 to 4.00 Adjustment
0.15 to 0.50V Adjustment
VCC Reference
VSS Reference
Ta=-20 to 70°C
Ta=-20 to 70°C
VCU1-0.025
VCD1-0.10
VDD1-0.08
VDU1-0.10
VCU2-0.025
VCD2-0.10
VDD2-0.08
VDU2-0.10
VCU3-0.025
VCD3-0.10
VDD3-0.08
VDU3-0.10
VIOV1×0.9
0.54
1.0
-1.0
-0.5
VCU1
VCD1
VDD1
VDU1
VCU2
VCD2
VDD2
VDU2
VCU3
VCD3
VDD3
VDU3
VIOV1
0.6
2.0
0
0
VCU1+0.025
VCD1+0.10
VDD1+0.08
VDU1+0.10
VCU2+0.025
VCD2+0.10
VDD2+0.08
VDU2+0.10
VCU3+0.025
VCD3+0.10
VDD3+0.08
VDU3+0.10
VIOV1×1.1
0.66
3.0
1.0
0.5
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
mV/°C
mV/°C
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
−
−
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
−
−
Delay time
Over charge detection delay time 1
Over charge detection delay time 2
Over charge detection delay time 3
Over discharge detection delay time 1
Over discharge detection delay time 2
Over discharge detection delay time 3
Over current detection delay time 1
Over current detection delay time 2
tCU1
tCU2
tCU3
tDD1
tDD2
tDD3
tIOV1
tIOV2
CCCT=0.47 µF
CCCT=0.47 µF
CCCT=0.47 µF
CCDT=0.1 µF
CCDT=0.1 µF
CCDT=0.1 µF
CCOVT=0.1 µF
−
0.5 1.0
1.5
s96
0.5 1.0
1.5
s 10 6
0.5 1.0
1.5
s 11 6
20 40 60 ms 9 6
20 40
60
ms 10
6
20 40
60
ms 11
6
10 20
30
ms 12
7
24
8
ms 12
7
Over current detection delay time 3 tIOV3
FET gate capacitor
=2000 pF
100 300
550
µs 12
7
Operating voltage
Operating voltage between VCC and
VSS*4
VDSOP
−
2.0 − 24 V − −
Current consumption
Current consumption (during normal
operation)
IOPE
V1=V2=V3=3.5 V
− 20 50 µA 5 3
Current consumption for cell 1
Current consumption for cell 2
ICELL1
ICELL2
V1=V2=V3=3.5 V
V1=V2=V3=3.5 V
−300 0
−300 0
300 nA 5
300 nA 5
3
3
Current consumption for cell 3
ICELL3
V1=V2=V3=3.5 V
−300 0
300 nA 5
3
Current consumption at power down IPDN
V1=V2=V3=1.5 V
Internal resistance with 0V battery charging function type
− − 0.1 µA 5 3
Resistance between VCC and VMP RVCM
V1=V2=V3=3.5 V
0.20 0.50
0.80
MΩ
6
3
Resistance between VSS and VMP RVSM
V1=V2=V3=1.5 V
0.20 0.50
0.80
MΩ
6
3
Internal resistance without 0V battery charging function type.
Resistance between VCC and VMP RVCM
V1=V2=V3=3.5 V
0.40 0.90
1.40
MΩ
6
3
Resistance between VSS and VMP
Input voltage
RVSM
V1=V2=V3=1.5 V
0.40 0.90
1.40
MΩ
6
3
CTL"H" Input voltage
VCTL(H)
−
VCC x 0.8 − − V 16 1
CTL"L" Input voltage
VCTL(L)
−
− − VCC x 0.2 V 16 1
Seiko Instruments Inc.
5
5 Page 
Rev.4.0_00
BATTERY PROTECTION IC FOR 3-SERIAl-CELL PACK
S-8233B Series
V6 I6
DOP
VCC
COP
V1
CD1
V5
VMP
CTL V4
VC1
V2 CD2
VC2
V3
CD3
VSS
S-8233B
CCT
CDT
COVT
Measurement circuit 5
V5
1MΩ
DOP
VCC
COP
VMP
V1 CD1
CTL V4
VC1
V2 CD2
VC2
V3 CD3
VSS
S-8233B
CCT
C1 = 0.47 µF
C2 = 0.1 µF
C3 = 0.1 µF
CDT
COVT
C1
S1
C2
C3
Measurement circuit 7
1MΩ
DOP
VCC
V1
CD1
COP
VMP
CTL
V4
VC1
V2 CD2
VC2
V3 CD3
VSS
S-8233B
CCT
C1 = 0.47 µF
C2 = 0.1 µF
C3 = 0.1 µF
CDT
COVT
C1
C2
C3
Measurement circuit 6
1MΩ
I8 V8
S1
V1
VCC DOP
CD1
S4 I5
V5 VC1
COP
S2
V2
CD2
S5 I6
V6 VC2
S3
V3
CD3
S6 I7
V7 VSS
S-8233B
VMP
CTL V4
CCT
CDT
COVT
Measurement circuit 8
I1
DOP
VCC
V1
CD1
COP
VMP
CTL
V4
VC1
V2 CD2
VC2
V3
CD3
VSS
S-8233B
CCT
CDT
COVT
Measurement circuit 9
Figure 3 (2/2)
V5 1MΩ
DOP
VCC
V1
CD1
COP
VMP
CTL V4
VC1
V2 CD2
VC2
V3 CD3
VSS
S-8233B
CCT
CDT
COVT
Measurement circuit 10
Seiko Instruments Inc.
11
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet S-8233B.PDF ] | |
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